Knife.



110.748,.547, I PATENTBD DEG-29,1903.-

T. WENGER.

KNIP APPLICATION FILE '1'. 26, 1902.

N0 MODEL taaloh m j UNITED STATES Patented December 29, 1903.

PATENT OFFICE.

KNIFE.

SPECIFICATION formingpart of Letters Patent N 0. 748,547, dated December29, 1903.

Application filed September 26, 1902. Serial No. 124,975. (No model.)

To all whom it may concern:

Be it known that LTHEonoR WENGER,a citi-- ment in Knives, of which thefollowing is a specification.

1n knives the blade is secured to the bandle either by a tailpiece ofthe blade fitted either by force or cemented or glued inside the handleof wood, bone, or other niaterial or by a lengthening of the blade ofthe same size as the handle and on which both sides of said handle aresecured by screws, pins, rivets, &c. There is still another way ofputting together blade and handle, which is to have the blade lengthenedinto two branches, entering into twocorresponding grooves of the handle,a hook keeping together the ends of both branches. The latter system,although already preferable to the others, has nevertheless severalinconveniences coming from the difficulty in maintaining suitably at thesame time both hooks in the branch ends.

The knife for which I desire to secure Letters Patent has only two mainparts-the blade with its branches made of one piece of metal and thehandle. The ends of' the branches are fitted one into the other intightening the handle without the help of a special hook. Such a knifein one form is represented in the annexed drawings, given as an example,and in which- Figure 1 shows a complete knife, the bandleof which is cutso'as to show the blade with both ends together. Figs. 2 and 3 show theend of both branches before and after their being hooked together. Figs.4 and 5 show two different ways of hooking the two branches.

The blade A is ended by two branches 0. a,

inserted into two corresponding grooves of the handle M. The end of thebranch (1 is formed with a hook b, Fig. 2, while the end of the branchat has a slit B, suitably shaped and of the same dimensions as those ofthe end I) of the hook. The fitting of the handle isuobtained-in asimple manner. The two branches (1 a being drawn apart, the handle M isplaced between them. Then while tightening the two branches the hook I)is bent over by means of some suitable tool and the end I) of said hookforced to enter into the slit B, thus tightly holding the handle Mbetween the two branches a a, as shown in Figs. 1 and 3.

The shape of the hook and slit may vary, as shown in Figs. 4 and 5. InFig. 4 the hook c is introduced into the hook-recess G, the projection(1 being in the position shown by dotted lines (1, and after the hook cis thus engaged the projection d is forced down, as

shown in dotted lines, to prevent the hook c from leaving the recess C,thus securely holding the parts locked. The handle in this figure isshown at M. When the hook c is fastened into the slit 0, the projectiondis bent against the hook c,-as shown in full lines in said Fig. 4, thefitting of the two branches together being thus secured. In the exampieshown in Fig. 5 the branch n is provided with a finger s and the branch71 with a slit 7'. Both branches being drawn apart, as already said, andthe handle M introduced between them, it will only be necessary totighten firmly with pincer-s or any other suitable tool the end of bothbranches one against the other, so that slit 0'. In said Fig. 5 theposition of the finger s and slit 1" before the tightening process isshown in dots in s and r. In forcing the finger 5 into place it bends toconform to the slit 'r'.

Many other shapes may be given to the end of the branches so as toinsure their junction, the principle of the invention remaining thesame. The materials used for the manufacture of such knives, as well asthe dimensions of the several parts of the latters handle or blade, mayvary.

Having thus described my invention, I declare that what I wish to secureby Letters Patent, is-

1. In combination, with a handle, a blade having two branches, one ofwhich has a recess, the walls of which are at an inclination to thelongitudinal axis of the handle and the other of said branches having atongue which when forced into the said recess is bentfrom its positionby the inclined walls so as to occupy the said inclined recess,substantially as described.

2. In combination a handle, a knife-blade having two branches with facesabutting at the finger 5 may enter into the the end of the handle, saidfaces extending independent of the hook, substantially as de- IO in adirection longitudinally of the handle, scribed. one of said brancheshaving a recess in its In Witness whereof I have hereunto set my edgesto one side of the abutting face and hand in presence of two Witnesses.

5 the other branch having a hook extending transversely across themeeting line of the THEODOR WENGER' abutting faces and having aprojection ex- Witnesses: tending into the said recess, said abuttingLEO J. FRANKENTHAL,

faces being on the main parts of the branches 1 P. L. BROWN.

